From 1ceacc5b22bbda4126bd357d56b9c71778b932c8 Mon Sep 17 00:00:00 2001
From: Marty Oehme <marty.oehme@gmail.com>
Date: Sun, 8 Jan 2023 17:27:53 +0100
Subject: [PATCH] Add error message if no suitable image viewer found

---
 uoeia | 1 +
 1 file changed, 1 insertion(+)

diff --git a/uoeia b/uoeia
index 7619987..7e202c9 100755
--- a/uoeia
+++ b/uoeia
@@ -93,6 +93,7 @@ get_imageviewer() {
 }
 
 main() {
+    [ -n "$imageviewer" ] || die "Error: Could not find a suitable image viewer, set one manually with the '-v' option."
     command -v "${imageviewer}" 1>/dev/null 2>&1 || die "Error: Opening images in ${imageviewer} requires ${imageviewer} to be installed and and on the path."
 
     trap cleanup EXIT